95 lines
3.5 KiB
Markdown
95 lines
3.5 KiB
Markdown
# GitLab Container Registry
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> **Note:**
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This feature was [introduced][ce-4040] in GitLab 8.8. Docker Registry manifest
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v1 support was added in GitLab 8.9 to support Docker versions earlier than 1.10.
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> **Note:**
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This document is about the user guide. To learn how to enable GitLab Container
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Registry across your GitLab instance, visit the
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[administrator documentation](../administration/container_registry.md).
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With the Docker Container Registry integrated into GitLab, every project can
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have its own space to store its Docker images.
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You can read more about Docker Registry at https://docs.docker.com/registry/introduction/.
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---
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## Enable the Container Registry for your project
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1. First, ask your system administrator to enable GitLab Container Registry
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following the [administration documentation](../administration/container_registry.md).
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If you are using GitLab.com, this is enabled by default so you can start using
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the Registry immediately.
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1. Go to your project's settings and enable the **Container Registry** feature
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on your project. For new projects this might be enabled by default. For
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existing projects you will have to explicitly enable it.
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## Build and push images
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After you save your project's settings, you should see a new link in the
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sidebar called **Container Registry**. Following this link will get you to
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your project's Registry panel where you can see how to login to the Container
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Registry using your GitLab credentials.
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For example if the Registry's URL is `registry.example.com`, the you should be
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able to login with:
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```
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docker login registry.example.com
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```
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Building and publishing images should be a straightforward process. Just make
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sure that you are using the Registry URL with the namespace and project name
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that is hosted on GitLab:
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```
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docker build -t registry.example.com/group/project .
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docker push registry.example.com/group/project
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```
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## Use images from GitLab Container Registry
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To download and run a container from images hosted in GitLab Container Registry,
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use `docker run`:
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```
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docker run [options] registry.example.com/group/project [arguments]
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```
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For more information on running Docker containers, visit the
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[Docker documentation][docker-docs].
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## Control Container Registry from within GitLab
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GitLab offers a simple Container Registry management panel. Go to your project
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and click **Container Registry** in the left sidebar.
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This view will show you all tags in your project and will easily allow you to
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delete them.
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## Build and push images using GitLab CI
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> **Note:**
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This feature requires GitLab 8.8 and GitLab Runner 1.2.
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Make sure that your GitLab Runner is configured to allow building docker images.
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You have to check the [Using Docker Build documentation](../ci/docker/using_docker_build.md).
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Then see the CI documentation on [Using the GitLab Container Registry](../ci/docker/using_docker_build.md#using-the-gitlab-container-registry).
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## Limitations
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In order to use a container image from your private project as an `image:` in
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your `.gitlab-ci.yml`, you have to follow the
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[Using a private Docker Registry][private-docker]
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documentation. This workflow will be simplified in the future.
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[ce-4040]: https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/4040
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[docker-docs]: https://docs.docker.com/engine/userguide/intro/
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[private-docker]: https://gitlab.com/gitlab-org/gitlab-ci-multi-runner/blob/master/docs/configuration/advanced-configuration.md#using-a-private-docker-registry
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